Jacksonville Jaguars players lock arms and kneel down during the playing of the U.S. national anthem before an NFL football game against the Baltimore Ravens at Wembley Stadium in London, Sunday Sept. 24, 2017. (AP Photo/Tim Ireland)

Buffalo Bills players take a knee during the national anthem prior to an NFL football game against the Denver Broncos, Sunday, Sept. 24, 2017, in Orchard Park, N.Y. (AP Photo/Adrian Kraus)

Members off the Los Angeles Chargers lock arms in protest before an NFL football game against the Kansas City Chiefs Sunday, Sept. 24, 2017, in Carson, Calif. (AP Photo/Chris Carlson)

Atlanta Falcons defensive tackles Grady Jarrett (97) and Dontari Poe (92) take a knee during the national anthem before an NFL football game, Sunday, Sept. 24, 2017, in Detroit. (AP Photo/Carlos Osorio)

Green Bay Packers players lock arms during the national anthem before an NFL football game against the Cincinnati Bengals Sunday, Sept. 24, 2017, in Green Bay, Wis. (AP Photo/Mike Roemer)

Players lock arms during the playing of the national anthem before an NFL football game between the New York Jets and the Miami Dolphins Sunday, Sept. 24, 2017, in East Rutherford, N.J. (AP Photo/Frank Franklin II)

Tampa Bay Buccaneers wide receiver DeSean Jackson, center, takes a knee during the national anthem before an NFL football game against the Minnesota Vikings, Sunday, Sept. 24, 2017, in Minneapolis. (AP Photo/Jim Mone)

Denver Broncos tight end Virgil Green (85) gestures as teammate Max Garcia, left, takes a knee during the paying of the national anthem prior to an NFL football game against the Buffalo Bills, Sunday, Sept. 24, 2017, in Orchard Park, N.Y. (AP Photo/Adrian Kraus)

Members of the Indianapolis Colts take a knee during the nation anthem before an NFL football game against the Cleveland Browns in Indianapolis, Sunday, Sept. 24, 2017. (AP Photo/Darron Cummings)

Members of the Cleveland Browns take a knee during the national anthem before an NFL football game against the Indianapolis Colts in Indianapolis, Sunday, Sept. 24, 2017. (AP Photo/Michael Conroy)

The Cincinnati Bengals lock arms during the national anthem before an NFL football game against the Green Bay Packers Sunday, Sept. 24, 2017, in Green Bay, Wis. (AP Photo/Morry Gash)

The New York Jets lock arms during the playing of the national anthem before an NFL football game against the Miami Dolphins Sunday, Sept. 24, 2017, in East Rutherford, N.J. (AP Photo/Frank Franklin II)

Detroit Lions defensive end Armonty Bryant (97), defensive tackle A'Shawn Robinson (91) and defensive end Cornelius Washington (90) take a knee during the national anthem before an NFL football game against the Atlanta Falcons, Sunday, Sept. 24, 2017, in Detroit. (AP Photo/Duane Burleson)

Jacksonville Jaguars owner Shahid Khan, center, joins arms with players as some kneel down during the playing of the U.S. national anthem before an NFL football game against the Baltimore Ravens at Wembley Stadium in London, Sunday Sept. 24, 2017. (AP Photo/Tim Ireland)